July Weather in Yokohama, Japan

Last updated: August 21, 2025

In Yokohama, Japan, July brings a vibrant mix of summer warmth and humidity, with maximum temperatures soaring to 35°C (95°F) and an average temperature of 26°C (78°F). Visitors can expect a pleasant base with minimum temperatures around 19°C (66°F), ideal for evening strolls. However, this summer month also sees considerable rainfall, with precipitation amounts reaching 209 mm (8.2 in) over approximately 16 days. With an average humidity level of 93%, the air is thick, enveloping the city in a lush, tropical ambiance that highlights the beauty of Yokohama's summer landscapes.

July Temperature in Yokohama

In July, Yokohama experiences a significant warm-up, with temperatures reaching their summer peak. The month kicks off with a minimum temperature of 19°C (66°F) and an average that soars to 26°C (78°F), while the maximum can climb to a steamy 35°C (95°F). This marks a clear transition from the mild conditions of June, where temperatures were already quite pleasant, but not nearly as intense. July’s warmth not only invites beachgoers and outdoor festivals but also signals the arrival of the rainy season, making it a dynamic time in this bustling Japanese city. As the heat envelops Yokohama, locals and visitors alike embrace the vibrant atmosphere, taking advantage of the long, sunny days to explore and savor the summer spirit.

July Weather in Yokohama: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Yokohama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yokohama, July typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec434551586772788275665848
Data source: Temperature data for Yokohama generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in Yokohama

In July, Yokohama experiences one of its wettest months, with a substantial precipitation total of 209 mm (8.2 in), significantly higher than in previous months. This increase marks a peak in the annual rainfall, with 16 days of measurable rain, highlighting the onset of the summer rainy season. June sets the stage with 161 mm (6.3 in) over 13 days, but July's deluge elevates the challenge for outdoor activities. Following July, the precipitation sharply declines to 104 mm (4.1 in) in August, suggesting a brief reprieve before the cycle of rain begins anew in the fall. The trends clearly indicate that while summer brings warmth, it also unleashes heavy rains, making July a pivotal month in Yokohama's climate narrative.

July Precipitation Trends in Yokohama

The chart displays monthly precipitation patterns in Yokohama, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Yokohama, July typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec53431381161181612091041872668764
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

July Humidity in Yokohama

In Yokohama, Japan, July marks a peak in humidity levels, soaring to an impressive 93%. This rise is part of a notable trend, as the city experiences a gradual increase in humidity throughout the warmer months, from 70% in March to a steamy 88% in June. The month of July is often characterized by its sultry atmosphere, making it the most humid month of the year. Following a brief dip in August to 90%, humidity levels remain high as summer transitions into autumn, with the city experiencing a gradual decline to approximately 86% by September. Thus, July not only highlights the zenith of Yokohama's summer humidity but also exemplifies the overall humidity trend that defines the region's climate during this season.

July Average Humidity in Yokohama

This chart illustrates the average monthly humidity levels in Yokohama, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Yokohama is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%74%70%74%82%88%93%90%86%83%80%78%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Yokohama

In July, Yokohama experiences some of the highest UV index readings of the year, maintaining an extreme UV Index of 11. This trend, seen since May, indicates seriously reduced burn times of just 10 minutes, urging locals and visitors alike to take extra precautions against sun exposure. The consistency of the extreme category from June through August highlights a pressing need for sun safety awareness during the summer months. While the UV index dips from extreme to very high in September, the summer's intense rays serve as a reminder to protect your skin during these peak periods. For more detailed information, check out the Yokohama UV Index.

Maximum UV Index Levels in Yokohama for July

The chart shows the monthly maximum UV Index (UVI) for Yokohama in July, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In July, the maximum UV index in Yokohama typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35891111111110754
Data source: Yokohama July UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

July Sunshine in Yokohama

In Yokohama, Japan, July brings a warm embrace of sunshine, with an inviting 234 hours of sunlight illuminating the city. This month follows a peak in afternoon light during May, which boasts 285 hours, while June’s 262 hours maintains a vibrant atmosphere. As summer reaches its zenith, August outshines the rest with 288 hours, capturing the essence of the season. However, as the year transitions into autumn, a decline is observed, with September seeing a drop to 235 hours. This pattern underscores Yokohama’s distinct seasonal rhythm, where summer luminescence gives way to more subdued autumnal hues, creating a beautiful contrast in the city’s annual climate tapestry.

Monthly Sunshine Duration in Yokohama: July Highlighted

The July sunshine duration represents the total number of hours Yokohama experiences direct sunlight during the month of July, excluding cloudy or obstructed periods. This chart compares the sunshine duration of July with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec191h233h260h273h285h262h234h288h235h202h231h231h
Data source: Yokohama July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Yokohama During July

In Yokohama, Japan, the likelihood of sunny weather in July stands at a modest 34%, reflecting a notable dip compared to the sunnier months of winter and late fall. This decrease is part of a broader trend, where the chance of clear skies diminishes as summer approaches, following April's balanced 50% and May's plunge to 24%. While August offers a slight improvement at 37%, the typically humid conditions of the season create a dynamic where sunshine is often challenged by clouds and rain. Thus, July in Yokohama offers a mixed bag of weather, where occasional sun may battle against the prevailing summer gloom.

Percentage of Sunny Days in July in Yokohama

The chart illustrates the percentage of sunny days in Yokohama throughout the year, with July highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Yokohama experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec53%66%42%50%24%24%34%37%28%50%59%64%
Data source: Yokohama July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Yokohama in July

In Yokohama, Japan, the month of July boasts 14 hours of daylight, mirroring the longest days of the year experienced in June. As summer reaches its peak, this duration allows for ample time to enjoy outdoor activities and soak in the vibrant atmosphere of the city. Following July, daylight begins to wane slightly in August, with hours decreasing to 13, signaling the gradual transition into autumn. Notably, the trend of increasing daylight from the depths of winter in January, with only 10 hours, to the sun-drenched days of summer highlights the dynamic shift in seasons and the rich experiences they bring to this coastal metropolis.

Average Daylight Hours in Yokohama for July

The chart illustrates the variation in daylight duration in Yokohama throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 2m10h 53m11h 58m13h 5m14h 1m14h 29m14h 15m13h 26m12h 22m11h 15m10h 17m9h 47m
Data source: Yokohama daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Yokohama

In July, Yokohama experiences a notable dip in wind speed, averaging 3.2 m/s (7 mph), the lowest for the year. This gentle breeze contrasts with the preceding months, where the wind speed generally hovers between 4.3 m/s and 5.3 m/s. The cooling effects of summer are more palpable, as the winds soften just as the temperatures rise, inviting residents and visitors alike to enjoy the balmy days. Interestingly, this month sets the stage for a shift, with August seeing a return to stronger breezes at 4.8 m/s (11 mph). This month’s tranquil winds are a reminder of the seasonal ebb and flow, showcasing Yokohama’s dynamic climate, which dances between the stillness of summer and the revitalizing gusts of late summer.

Average July Wind Speed in Yokohama

The chart displays monthly wind speed patterns in Yokohama, with values for each month shown alongside July's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how July's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.34.94.94.85.33.73.2 m/s4.84.44.64.14.5
Data source: Yokohama July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Yokohama Compares to Other Months

Weather in Yokohama varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Yokohama, focusing on differences in temperature, rainfall, humidity, and UV levels.

In July, Yokohama experiences warm temperatures ranging from a minimum of 19°C (66°F) to a maximum of 35°C (95°F), with an average of 26°C (78°F). The month is characterized by high humidity at 93% and significant precipitation, totaling 209 mm (8.2 in) over approximately 16 rainy days. In stark contrast, January brings much cooler weather, with temperatures dipping down to a minimum of -3°C (27°F) and averaging 6°C (44°F). The maximum temperature reaches only 18°C (65°F), and the month sees far less rainfall—about 52 mm (2.1 in) over just 4 days and a humidity level of 76%. For more details on how the weather changes, check out Yokohama weather in January.

July and February present starkly contrasting weather conditions. In July, temperatures soar with a minimum of 19°C (66°F) and an average high of 35°C (95°F), while the humidity levels reach a sweltering 93%. The month also experiences significant rainfall, totaling 209 mm (8.2 in) over 16 days. In contrast, February offers a much cooler climate, featuring a minimum temperature of 0°C (31°F) and an average high of just 18°C (66°F). Precipitation is also lower, with only 43 mm (1.7 in) falling across 7 days and humidity sitting at 74%. For more detailed insights on February weather, feel free to check out Yokohama weather in February.

In comparing the weather of July and March, a stark contrast is evident. July boasts warmer temperatures, with a minimum of 19°C (66°F) and an average around 26°C (78°F), peaking at 35°C (95°F). In addition, July experiences significant rainfall, accumulating 209 mm (8.2 in) over 16 days, combined with high humidity levels reaching 93%. In contrast, March features much cooler conditions, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 20°C (69°F) and an average of just 11°C (52°F). It sees lesser precipitation at 138 mm (5.4 in) over 12 days, alongside lower humidity at 70%. For a closer look at the specifics of March's climate, you can check Yokohama weather in March.

July and April exhibit stark contrasts in weather. In July, temperatures range from a minimum of 19°C (66°F) to a maximum of 35°C (95°F), with an average temperature of 26°C (78°F). This month also sees significant rainfall, averaging 209 mm (8.2 in) over 16 days, accompanied by high humidity levels at 93%. In contrast, April's milder conditions feature temperatures ranging from a minimum of 4°C (40°F) to a maximum of 23°C (74°F), with an average of 15°C (58°F). Precipitation is less abundant in April, with 116 mm (4.6 in) over 10 days and a lower humidity of 74%. For more details on April weather, you can check Yokohama weather in April.

In comparing the weather of July and May, it is evident that July is significantly warmer and more humid. While May enjoys milder temperatures with an average of 19°C (67°F) and a maximum of 27°C (80°F), July sees average temperatures rising to 26°C (78°F) and peaking at a scorching 35°C (95°F). Additionally, July experiences higher humidity at 93%, compared to May’s 81%. Rainfall also increases in July, accumulating 209 mm (8.2 inches) over 16 days, whereas May has a more manageable 118 mm (4.6 inches) over 11 days. For a detailed look at May’s conditions, check out Yokohama weather in May.

In comparing the weather of July and June, July typically showcases warmer temperatures, with minimums around 19°C (66°F) and maximums soaring up to 35°C (95°F). In contrast, June temperatures range from a minimum of 16°C (61°F) to a maximum of 29°C (85°F), resulting in a cooler average of 22°C (72°F). Additionally, July experiences more rainfall, with 209 mm (8.2 in) over 16 days, compared to June's 161 mm (6.3 in) over 13 days. Humidity levels are also higher in July at 93%, compared to 88% in June. For more information, check out Yokohama weather in June.

In comparison to July, August experiences slightly warmer temperatures, with average highs reaching 28°C (82°F) compared to July's 26°C (78°F). However, August has a marginally lower maximum temperature, peaking at 34°C (93°F) compared to July's 35°C (95°F). Precipitation also decreases significantly in August, with only 104 mm (4.1 in) over 12 days, while July sees 209 mm (8.2 in) across 16 days, leading to a drier month. Additionally, August's humidity drops slightly to 90% from July's 93%, creating a more comfortable atmosphere. For more details, you can check Yokohama weather in August.

In July, the weather can be quite warm and humid, with temperatures ranging from a minimum of 19°C (66°F) to a maximum of 35°C (95°F) and an average of 26°C (78°F). This month also sees significant rainfall, with 209 mm (8.2 in) of precipitation spread over 16 days, resulting in a high humidity level of 93%.

In contrast, September offers slightly cooler conditions with temperature lows of 16°C (60°F), highs reaching up to 32°C (90°F), and an average temperature of 24°C (76°F). Precipitation is somewhat less intense at 187 mm (7.4 in) over the same number of rainy days, and humidity drops to a more comfortable 86%. For those interested in more detailed weather patterns, check out Yokohama weather in September.

July and October present distinct weather patterns that reflect the transition from summer to autumn. In July, temperatures can soar, with average highs reaching 35°C (95°F) and high humidity levels of 93%, making it a notably hot month for many. However, this heat is often accompanied by substantial rainfall, totaling 209 mm (8.2 in) over about 16 days. In contrast, October brings a much cooler climate, where the average temperature drops to 19°C (67°F) with maximums of 28°C (83°F). Although it remains a relatively rainy month with 266 mm (10.5 in) of precipitation over the same number of days, the humidity decreases to 83%. For more details about the weather in October, check out Yokohama weather in October.

In July, the weather is characterized by high temperatures ranging from a minimum of 19°C to a maximum of 35°C, with an average of 26°C, making it one of the warmest months of the year. With 209 mm of precipitation over 16 days, July is also quite wet, accompanied by high humidity levels of 93%. In contrast, November brings much cooler temperatures, with a range from 4°C to 23°C and an average of 14°C. This month has significantly less rainfall at 87 mm over 11 days and a lower humidity level of 80%. To explore more about the weather in November, you can check Yokohama weather in November.

July weather is characterized by warmth and high humidity, with temperatures ranging from a minimum of 19°C (66°F) to a peak of 35°C (95°F), accompanied by significant precipitation of 209 mm (8.2 in) over 16 days. In stark contrast, December brings much cooler conditions, featuring an average temperature of 9°C (49°F) and maximums reaching only 21°C (70°F), while precipitation drops to 64 mm (2.5 in) over just 7 days. Additionally, humidity levels in December are lower at 78%, making it feel less muggy compared to the sweltering summer month. For more specific details about weather conditions during December, visit Yokohama weather in December.

Compare Yokohama's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Yokohama

As July unfolds in Yokohama, the city experiences hot and humid conditions, distinguishing it from the more temperate months preceding it. With average temperatures soaring to a sizzling 26°C and high humidity reaching 93%, residents and visitors alike are immersed in the peak of summer. This month also brings a noticeable increase in rainfall, with 16 days of precipitation contributing to a total of 209 mm, creating a lush, vibrant landscape. Whether you're basking in the warmth or seeking refuge from the rain, July's climate is unmistakably dynamic. To explore more about the year-round weather patterns, visit Yokohama Climate.